Anguilla + 6 more

Hurricane Lenny Public Advisory - 5 a.m.

Source
Posted
Originally published
419 - WTNT31 KNHC 180853 COR - TCPAT1
BULLETIN
HURRICANE LENNY ADVISORY NUMBER 20
NATIONAL WEATHER SERVICE MIAMI FL
5 AM AST THU NOV 18 1999

...CORRECTED WARNING SECTION...

...EXTREMELY DANGEROUS LENNY DRIFTING EASTWARD TOWARD THE NORTHERN LEEWARD ISLANDS...

A HURRICANE WARNING REMAINS IN EFFECT FOR CULEBRA...VIEQUES...THE U.S. AND BRITISH VIRGIN ISLANDS. A HURRICANE WARNING ALSO REMAINS IN EFFECT FOR DUTCH ST. MAARTEN...FRENCH ST. MARTIN...ST. BARTHELEMEY...ANGUILLA...SABA...ST. EUSTATIUS...ST. KITTS...NEVIS... MONTSERRAT...ANTIGUA...AND BARBUDA.

TROPICAL STORM WARNINGS REMAIN IN EFFECT EAST OF A PONCE-MANATI LINE...INCLUDING SAN JUAN.

ALL INTERESTS ALONG COASTAL SECTIONS OF PUERTO RICO WEST OF A PONCE- MANATI LINE SHOULD EXERCISE CAUTION UNTIL WINDS AND SEAS SUBSIDE.

AT 5 AM AST...0900Z...THE CENTER OF HURRICANE LENNY WAS LOCATED NEAR LATITUDE 17.8 NORTH...LONGITUDE 63.6 WEST OR ABOUT 35 MILES...60 KM...WEST-SOUTHWEST OF ST. MAARTEN.

LENNY IS DRIFTING EASTWARD...AND A GENERAL EAST-NORTHEAST MOTION IS EXPECTED LATER TODAY. THIS MOTION SHOULD BRING THE EYEWALL OF THE HURRICANE OVER THE ISLAND OF SABA SHORTLY AND OVER ST. MAARTEN AND ANGUILLA LATER THIS MORNING.

MAXIMUM SUSTAINED WINDS ARE NEAR 145 MPH...230 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES... 95 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 185 MILES...295 KM.

THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT WAS 947 MB...27.86 INCHES.

RAINFALL TOTALS OF 10 TO 15 INCHES...WITH LOCALLY HIGHER AMOUNTS IN MOUNTAINOUS REGIONS ARE ASSOCIATED WITH THE HURRICANE. THESE RAINS CAN PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. SAN JUAN DOPPLER RADAR SHOWS BANDS OF HEAVY RAINS OVER PORTIONS OF PUERTO RICO...THE VIRGIN ISLANDS...AND THE NORTHERN LEEWARD ISLANDS.

STORM SURGE FLOODING OF 5 TO 8 FT ABOVE NORMAL...ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES...IS EXPECTED NEAR THE CENTER IN THE WARNED AREA.

REPEATING THE 5 AM AST POSITION...17.8 N... 63.6 W. MOVEMENT TOWARD...DRIFTING EAST. MAXIMUM SUSTAINED WINDS...145 MPH. MINIMUM CENTRAL PRESSURE... 947 MB.

INTERMEDIATE ADVISORIES WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 7 AM AST AND 9 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 11 AM AST.

BEVEN

STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT1 AND WMO HEADER WTNT71 KNHC.